/Engine/Source/Editor/CurveEditor/Public/Tree/CurveEditorTree.h
This populates both implicit and explicit selection state for the supplied items and any children/parents
void SetDirectSelection ( [TArray](API\Runtime\Core\Containers\TArray)< [FCurveEditorTreeItemID](API\Editor\CurveEditor\FCurveEditorTreeItemID) > && TreeItems, [FCurveEditor](API\Editor\CurveEditor\FCurveEditor) * InCurveEditor )